<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <title>Title</title>
    <style>
      .wrapper {
        margin: 60px;
        /*  声明一个容器  */
        display: grid;
        /*  声明列的宽度  */
        /*  repeat（重复次数）: 2列（每列宽200px）  */
        grid-template-columns: repeat(2, 200px);
        /*  声明行间距和列间距  */
        grid-gap: 30px;
        /*  声明行的高度  */
        grid-template-rows: 100px 200px 120px;
      }
      .one {
        background: #19CAAD;
      }
      .two { 
        background: #8CC7B5;
      }
      .three {
        background: #D1BA74;
      }
      .four {
        background: #BEE7E9;
      }
      .five {
        background: #E6CEAC;
      }
      .six {
        background: #ECAD9E;
      }
      .item {
        text-align: center;
        font-size: 200%;
        color: #fff;
      }      
    </style>
  </head>
  <body>
    <div class="wrapper">
      <div class="one item">One</div>
      <div class="two item">Two</div>
      <div class="three item">Three</div>
      <div class="four item">Four</div>
      <div class="five item">Five</div>
      <div class="six item">Six</div>
    </div>
  </body>
  <script src="https://cdn.bootcss.com/vue/2.5.15/vue.min.js"></script>
  <script>
    var app = new Vue({
      el: '#app',
      data: {},
      mounted () {},
      methods: {}
    });
  </script>
</html>
